Results 61 to 70 of about 9,051,507 (186)

MILDLY *-NORMAL SPACES AND SOME FUNCTIONS

Journal of New Results in Science, 2013
new ideal topological functions are introduced. Characterizationsand properties of such new notions are studied.
O. Ravi
doaj  

ON THE ALMOST PERIODIC AT INFINITY FUNCTIONS FROM HOMOGENEOUS SPACES

Проблемы анализа, 2018
We consider homogeneous spaces of functions defined on the real axis (or semi-axis) with values in a complex Banach space. We study the new class of almost periodic at infinity functions from homogeneous spaces.
Baskakov A. G., Strukov V. E., Strukova I. I.   +2 more
doaj   +1 more source

INVESTIGATION OF THE KOLMOGOROV-WIENER FILTER FOR CONTINUOUS FRACTAL PROCESSES ON THE BASIS OF THE CHEBYSHEV POLYNOMIALS OF THE FIRST KIND

Informatyka, Automatyka, Pomiary w Gospodarce i Ochronie Środowiska, 2020
This paper is devoted to the investigation of the Kolmogorov-Wiener filter weight function for continuous fractal processes with a power-law structure function.
Vyacheslav Gorev, Alexander Gusev, Valerii Korniienko   +2 more
doaj   +1 more source

A characterization of almost continuity and weak continuity [PDF]

, 2004
summary:It is well known that a function $f$ from a space $X$ into a space $Y$ is continuous if and only if, for every set $K$ in $X$ the image of the closure of $K$ under $f$ is a subset of the closure of the image of it.
Petalas, Chrisostomos, Vidalis, Theodoros   +1 more
core  

A note on a semicontinuous and darboux continuous function [PDF]

, 2015
Present alternate proof for a function that is zero almost every­where, not indentically zero, of Baire class 1 (and indeed upper semi-continuous), and Darboux ...
Mirmiran, Majid
core   +1 more source

Compact almost automorphic dynamics of linear non-autonomous differential equations with exponential dichotomy and of delayed biological models

Electronic Journal of Differential Equations
In this work, we study the dynamics of linear non-autonomous differential equations with exponential dichotomy and compact almost automorphic perturbations.
Alan Chavez, Nelson Aragones, Ulices Zavaleta, Manuel Pinto   +3 more
doaj   +3 more sources

Almost strongly θ -e-continuous functions

Journal of Nonlinear Sciences and Applications, 2016
We introduce and investigate a new class of functions called almost strongly ?-e-continuous functions, containing the classes of almost strongly ?-precontinuous [J. H. Park, S. W. Bae, Y. B. Park, Chaos Solitons Fractals, 28 (2006), 32-41], almost strongly ?-semicontinuous [Y. Beceren, S. Yüksel, E. Hatir, Bull. Calcutta Math. Soc., 87 (1995), 329-334]
Özkoç, M., Ayhan, B.S.
openaire   +3 more sources

Compositions of Two Additive Almost Continuous Functions [PDF]

, 1997
In the paper we prove that an additive Darboux function f : R → R can be expressed as a composition of two additive almost continuous (connectivity) functions if and only if either f is almost continuous (connectivity) function or dim(ker(f)) 6= 1.
Ciesielski, Krzysztof
core  

A note on (I, J)-e-continuous and (I, J)-e ∗ -continuous functions

, 2023
In this paper the notions of I-e-open set and I-e∗-open set are introduced and used to define a large number of modifications of the concept of continuous function, such as (I, J)-e-continuous functions, (I, J)-e∗-continuous functions, contra (I, J)-e ...
Rosas, Ennis, Carpintero, Carlos, Salas, Margot, Vásquez, Luis, Sanabria, José   +4 more
core  

Criterion for preserving almost periodicity of the second derivative of an almost periodic function [PDF]

, 2019
Статья посвящена изучению связи между непрерывностью функции и ее второй производной, заданных на оси в некоторой топологии ℑ, которая слабее естественной топологии 0ℑ.
Димитрова-Бурлаенко, Светлана Димова
core